Keystones — Bedrock
Five GCSE retrieval questions · 28 June 2026 · mathsvault.uk/keystones
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1. Number
Calculate: 1⁄8 + 3⁄8
Answer: 1⁄2 -
2. Algebra
Find the midpoint of (8, 7) and (15, 14)
Answer: (11.5, 10.5) -
3. Geometry
Opposite = 12cm, hypotenuse = 24cm. Find the angle
Answer: 30° (approximately) -
4. Ratio
In ratio 2:1, the difference between shares is 26. What are the shares?
Answer: 52 and 26 -
5. Statistics
Find the mean of: 6, 17, 11, 8, 7
Answer: 9.8